◆ Clone()

DataRelation System.Data.DataRelation.Clone ( DataSet destination )

inlinepackage

Definition at line 552 of file DataRelation.cs.

    {
        DataCommonEventSource.Log.Trace("<ds.DataRelation.Clone|INFO> {0}, destination={1}", ObjectID, destination?.ObjectID ?? 0);
        DataTable dataTable = destination.Tables[ParentTable.TableName, ParentTable.Namespace];
        DataTable dataTable2 = destination.Tables[ChildTable.TableName, ChildTable.Namespace];
        int num = _parentKey.ColumnsReference.Length;
        DataColumn[] array = new DataColumn[num];
        DataColumn[] array2 = new DataColumn[num];
        for (int i = 0; i < num; i++)
        {
            array[i] = dataTable.Columns[ParentKey.ColumnsReference[i].ColumnName];
            array2[i] = dataTable2.Columns[ChildKey.ColumnsReference[i].ColumnName];
        }
        DataRelation dataRelation = new DataRelation(_relationName, array, array2, createConstraints: false);
        dataRelation.CheckMultipleNested = false;
        dataRelation.Nested = Nested;
        dataRelation.CheckMultipleNested = true;
        if (_extendedProperties != null)
        {
            foreach (object key in _extendedProperties.Keys)
            {
                dataRelation.ExtendedProperties[key] = _extendedProperties[key];
            }
        }
        return dataRelation;
    }